The systolic part refers to the pressure when your heart is expanded, and the diastolic reading is when your heart is at rest.
收缩部分是指当你的心脏扩展时的压力，舒张的数据读取是当你的心脏放松时产生的压力。
Each volunteer underwent five hours of tests to measure their blood pressure and the performance of their heart while at rest and while they exercised on a treadmill.
每位志愿者都进行了5小时的测试，期间检查他们在休息或在跑步机上时的血压和心脏状况。
Must think the blood pressure sets minds at rest must stabilize.
要想血压稳定情绪必须稳定。
The stress state of the circular culvert pipe under soil pressure at rest is analysed with the photoelastic simulated test of the epoxy resin model frozn.
利用环氧树脂模型进行光弹性冻结试验，模拟受填土压力作用时的土坝坝下圆型涵管的受力状态。
The value of passive earth pressure on the foot blade of open caisson varied between the value of the earth pressure at rest and the limit value of passive earth pressure.
指出沉井刃脚所受的被动土压力介于静止土压力与被动土压力极限值之间。
The results show that the force of the retaining wall will increase but the displacement of the retaining wall will decrease with increasing of the coefficient of soil pressure at-rest.
分析结果表明，伴随静止土压力系数的增大，挡墙的内力也随之增大，但挡墙位移却相应减小。
The second number is sometimes called the bottom number, or the diastolic pressure. It measures your blood pressure when the heart is at rest, between heartbeats.
第二个数字有时被称作低压或者舒张压，它测量了当心脏休息时在两次心跳之间时的血压。
The rest of the heat may be allowed to escape, or, for maximum engine efficiency, the steam may be condensed in a separate apparatus, a condenser, at comparatively low temperature and pressure.
剩余的热可以排放，或者蒸汽可在单独的冷凝器中于较低的温度和压力下冷凝，以便获得最大的蒸汽机效率。
When the coefficient of soil pressure at-rest varies in proper range, the influence on the horizontal displacement of the excavation can reach 20%.
适当范围内对静止土压力系数进行的不同取值，对挡墙的水平位移的影响可达20%左右。
The coefficient of lateral pressure varies with the stiffness ratio between lining and ground, it being larger than the coefficient at rest.
得出了侧压力系数随衬砌与地层的刚度比而变化，且比静止侧压力系数大。
The coefficient of lateral pressure varies with the stiffness ratio between lining and ground, it being larger than the coefficient at rest.
得出了侧压力系数随衬砌与地层的刚度比而变化，且比静止侧压力系数大。
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